package com.course.service;

import com.course.pojo.Courses;

public interface CoursesService {
    int deleteByPrimaryKey(String courseid);

    int insert(Courses record);

    int insertSelective(Courses record);

    Courses selectByPrimaryKey(String courseid);

    int updateByPrimaryKeySelective(Courses record);

    int updateByPrimaryKey(Courses record);

    String addCourses(String coursesid)

    String deleteCourses(String coursesid)
}